122563455453 has 16 divisors (see below), whose sum is σ = 183615667200. Its totient is φ = 80790890400.

The previous prime is 122563455419. The next prime is 122563455457. The reversal of 122563455453 is 354554365221.

122563455453 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 63 + 45 + 545 + 3 = 666.

It is not a de Polignac number, because 122563455453 - 2⁶ = 122563455389 is a prime.

It is a super-2 number, since 2×122563455453² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 122563455399 and 122563455408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122563455457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25499773 + ... + 25504578.

It is an arithmetic number, because the mean of its divisors is an integer number (11475979200).

Almost surely, 2^122563455453 is an apocalyptic number.

It is an amenable number.

122563455453 is a deficient number, since it is larger than the sum of its proper divisors (61052211747).

122563455453 is an equidigital number, since it uses as much as digits as its factorization.

122563455453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51004449 (or 51004443 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The spelling of 122563455453 in words is "one hundred twenty-two billion, five hundred sixty-three million, four hundred fifty-five thousand, four hundred fifty-three".